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jasenka [17]
2 years ago
12

This is the answer to the question It is 9.9cm

Mathematics
1 answer:
GenaCL600 [577]2 years ago
3 0

Answer:

9.9cm

Step-by-step explanation:

If side h cm is opposite of 51° and side 8cm is adjacent to 51°, use the tangent function to calculate the opposite side h cm:

tan(51°)=opposite/adjacent=h/8

tan(51°)=h/8

8tan(51°)=h

9.879177252=h

9.9=h

Therefore, the value of h is 9.9cm

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38. Emily is buying some graduation pictures. She pays $25 for the sitting and $15 for each
goldfiish [28.3K]

a. She pays $100 for 5 sheets

b. 25+15x dollars for x sheets

c. 8 sheets

Step-by-step explanation:

Given

Sitting cost = $25

Per sheet picture cost = $15

Let p be the number of sheets of pictures

Then the cost can be written as a function of p

c(p) = 25+15p

Now,

<u>a. How much does she pay for 5 sheets of pictures?! </u>

Putting p = 5 in the function

c(5) = 25 + 15(5)\\= 25+75\\=100

She will pay $100 for 5 sheets of pictures

<u>b. How much does she pay for "x" sheets? </u>

Putting x in place of p

c(x) = 25+15x

<u>c. How many sheets can she buy for $145? </u>

We know the cost now, we have to find p so,

145 = 25+15p\\145-25 = 25+15p-25\\120 = 15p

Dividing both sides by 15

\frac{15p}{15} = \frac{120}{15}\\p = 8

Hence,

She can buy 8 sheets for $145

Keywords: Linear equation, Algebraic functions

Learn more about functions at:

  • brainly.com/question/629998
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#LearnwithBrainly

5 0
3 years ago
Carol bought 12 stickers two thirds of the stickers where dogs how many of the stickers were dogs
aivan3 [116]
2   12     24
- x  -  =    -   = 8
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6 0
3 years ago
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Spinning on Y out of three letters (G, I and Y) = 1/3
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3 years ago
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Using the proportions given in the table, it is found that the percentage of the Northlake residents surveyed that want a new dog park is:

B. About 58%.

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A proportion is a fraction of a total amount, and the measures are related using a rule of three. Multiplying a proportion by 100%, a percentage is found.

Looking at the table, 25% are Northlake residents(which is 43% of the surveyed) who want a new dog park, hence the percentage is given by:

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